Who said "Change is the only constant in life."?

This quote is attributed to Phoebe Buffay.

Change is the only constant in life. - Phoebe Buffay

"Change is the only constant in life."

Phoebe Buffay Change

"Oh my god, I can't believe you don't know that!"

"Life is like a box of chocolates, except I'm allergic to chocolate."

"Love is like a beautiful song that gets stuck in your head forever."

"Sometimes you just have to let go and see what happens."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."